Re: [secdir] secdir review of draft-ietf-netconf-zerotouch-22

David Mandelberg <david+work@mandelberg.org> Sat, 25 August 2018 22:22 UTC

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To: Kent Watsen <kwatsen@juniper.net>, "draft-ietf-netconf-zerotouch.all@ietf.org" <draft-ietf-netconf-zerotouch.all@ietf.org>, "iesg@ietf.org" <iesg@ietf.org>, "secdir@ietf.org" <secdir@ietf.org>
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From: David Mandelberg <david+work@mandelberg.org>
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Date: Sat, 25 Aug 2018 18:22:15 -0400
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Subject: Re: [secdir] secdir review of draft-ietf-netconf-zerotouch-22
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Hi,

Sorry for the late reply, I've been busy with the new job I just started at.

On 08/20/2018 10:41 AM, Kent Watsen wrote:
>>>      For unsigned data provided by a trusted source of bootstrapping data,
>>>      the availability of the data is the only measure of it being current.
>>>      Since the untrusted data comes from a trusted source, its current
>>>      availability is meaningful.
>>
>> (nit) The only trusted sources of bootstrapping data are TLS servers,
>> right? I think this paragraph would be a bit stronger if you explicitly
>> mentioned that TLS's integrity guarantee and replay protection are what
>> you're relying on here.
> 
> Now the paragraph says:
> 
>     For unsigned data provided by a trusted source of bootstrapping data
>     (i.e., a bootstrap server), the availability of the data is the only
>     measure of it being current.  Since the untrusted data comes from a
>     trusted source, its current availability is meaningful and, since
>     bootstrap servers use TLS, the contents of the exchange cannot be
>     modified or replayed.
> 
> Okay?

Looks good.

-- 
https://david.mandelberg.org/